QINGDAO LAURENT NEW MATERIALS CO.,LTD
QINGDAO LAURENT NEW MATERIALS CO.,LTD The Professional manufacturer of refractory and insulation materials in China.
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High Bulk Density Fire Brick Refractories For Blast Furnace / Glass kiln
High alumina bricks are premium refractory products designed for high-temperature industrial applications. Made with carefully selected bauxite and alumina raw materials, these high alumina refractory bricks combine excellent thermal stability, mechanical strength, and resistance to chemical corrosion. With advanced production technology, each alumina refractory brick provides long-lasting performance in extreme service conditions.Engineered for durability and efficiency, high alumina bricks, high alumina refractory bricks, and alumina refractory bricks deliver consistent performance in the most challenging industrial furnaces.
Key Features
High Refractoriness – High alumina bricks perform reliably under temperatures exceeding 1750°C.
Excellent Corrosion Resistance – These high alumina refractory bricks resist acidic and neutral slags, extending furnace life.
Superior Mechanical Strength – Optimized density and structure ensure each alumina refractory brick maintains stability under heavy loads.
Thermal Shock Resistance – Strong adaptability to frequent temperature fluctuations without cracking.
Customizable Shapes – Available in straight, wedge, and special forms to meet various industrial needs.
The most competitive price,good quality,safty packing,prompt delivery time,and excellent after-sales services.
Description:
The low Porosity clay refractory bricks are made of super calcined flint clay and calcined bauxite, With high Pressure formed and high temperature sintered. Due to its low apparent porosity, Strong resistance to erosion and high refractoriness under load, They are wildly used in Glass kiln, Blast furnace, Metal mixer Furnace, Hot metal mixer ladle, Coke dry quenching devices , etc.
Features:
1. Low porosity, High bulk density.
2. Good Cold Crushing strength.
3. High refractoriness under load.
4. High mechanical strength.
5. Good resistance to erosion.
Applications:
1. Glass kiln
2. Blast furnace
3. Metal mixer Furnace,
4. Hot metal mixer ladle
5. Blast furnaces
Specifications:
Technical data
| Item | High duty | Super duty |
| AL2O3% | 38-42 | 42-45 |
| Fe2O3% | 1.8 | 1.7 |
| SiO2% | 56% | 53% |
| Refractoriness | 1730 | 1750 |
| Apparent Porosity% | 17Max | 17Max |
| Refractoriness under load at 0.2MPa | 1420 | 1450 |
| cold crushing strength ≥ | 40Min | 45Min |
| Linear Change on reheating 1450C*3H | -2+0 | -0.1+0.05 |
| BD g/cm3≥ | 2.2-2.4 | 2.3-2.4 |
Competitive Advantage: